Which neural network architecture is the foundation of most modern LLMs?

Which neural network architecture is the foundation of most modern LLMs?

  1. a) Bayesian Network
  2. b) Convolutional Neural Network (CNN)
  3. c) Transformer
  4. d) Autoencoder

From the Combined Bank Officer (IT) January 2026 – Written (BIBM) exam, question 39 of 115.

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